82274517 has 24 divisors (see below), whose sum is σ = 128928800. Its totient is φ = 50256288.

The previous prime is 82274513. The next prime is 82274539. The reversal of 82274517 is 71547228.

It is not a de Polignac number, because 82274517 - 2² = 82274513 is a prime.

It is a super-2 number, since 2×82274517² = 13538192295166578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82274513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13734 + ... + 18792.

Almost surely, 2^82274517 is an apocalyptic number.

It is an amenable number.

82274517 is a deficient number, since it is larger than the sum of its proper divisors (46654283).

82274517 is a wasteful number, since it uses less digits than its factorization.

82274517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217 (or 5214 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 82274517 is about 9070.5301388618. The cubic root of 82274517 is about 434.9324191485.

The spelling of 82274517 in words is "eighty-two million, two hundred seventy-four thousand, five hundred seventeen".